Who owns the STEL LEO trademark?

The STEL LEO trademark is owned by Stelio Timothy Marshall.

What is the serial number for STEL LEO?

The USPTO serial number for STEL LEO is 99273856.

What is the registration number for STEL LEO?

STEL LEO is registered under USPTO registration number 8165519.

STE

USPTO Trademark Record

REGISTERED

STEL LEO

Q: What class is the STEL LEO trademark registered in?

The STEL LEO trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 025 (Clothing, footwear & headgear), Class 041 (Education & entertainment services).

SN 99273856·Reg 8165519·Filed Jul 09, 2025

Owner Stelio Timothy Marshall

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Clothing, footwear, headwear.; Education; providing of training; entertainment; sporting and cultural activities.

STEL LEO (Serial No. 99273856), Registration No. 8165519, is a registered US trademark filed on Jul 09, 2025 by Stelio Timothy Marshall. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 025 (Clothing, footwear & headgear), Class 041 (Education & entertainment services).

early section 8: March 10, 2032

Mark Intelligence

STEL LEO (Reg. #8165519) is a registered US trademark that has been protecting its owner, Stelio Timothy Marshall, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments), Class 025 (Clothing, footwear & headgear) and Class 041 (Education & entertainment services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 09, 2025

SERIAL

99273856

REG#

8165519

REGISTERED

Mar 10, 2026

Owner

Applicant

Stelio Timothy Marshall

Entity

Individual

Address

751 N Fairfax Ave, Unit 2, Los Angeles, CA, 90046

Country

Attorney

Law firm

Stelio Timothy Marshall

Address

751 N Fairfax Ave, Unit 2, Los Angeles, CA 90046, United States

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Filing Information

StatusREGISTERED

Filing DateJul 09, 2025

Serial Number99273856

Registration No.8165519

Registration DateMar 10, 2026

Status DateMar 10, 2026

Published for OppositionJan 20, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Nov 04, 2011

First use in commerce: Nov 04, 2011

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Jul 08, 2025

First use in commerce: Jul 08, 2025

Clothing, footwear, headwear.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 04, 2011

First use in commerce: Nov 04, 2011

Education; providing of training; entertainment; sporting and cultural activities.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Mar 10, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 10, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 20, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 20, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 14, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 22, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Nov 26, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 13, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 09, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 09, 2025

APPLICATION FILING RECEIPT MAILED

STEL LEO

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